parse "gopher://null.host:0/L\x86@\x06\xe9\xe4(~\x98N\x97\xdf̎\xe1FR\xbb\x13\xd9\x11K\x85W:\xb0_@\x1d\xd9\x04\x92\x172tJ8\xb5\xed\xc5]": net/url: invalid control character in URL